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Varun Agarwal
Sumanta Das*
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Varun Agarwal
Sumanta Das*
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Journal of Environment and Waste Management

Degradation of monocrotophos pesticides using the advanced oxidation method

 Varun Agarwal and Sumanta Das

Accepted 2 May, 2014.

Citation: Agarwal V, Das S (2014). Degradation of Monocrotophos Pesticides Using the Advanced Oxidation Method. Journal of Environment and Waste Management 1(1): 002-010.

Copyright: © 2014 Das and Agarwal. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

Monocrotophos is one of the highly hazardous organophosphate pesticides that is widely used and easily available in India even which had been banned also by WHO. So, in this paper  a comparative study is carried out with the degradation of monocrotophos under the treatment of photocatalysis and sonophotocatalysis. The experiments were performed in the immersion well reactor in which UV light was used for degradation purpose and TiO2 was used in suspended condition as catalysis. The process is optimized and varying on the different parameters like catalyst concentration, operating pH, H2O2concentration., initial pollutant concentration. in photocatalytic experiment. In the photocatalytic experiment sufficient degradation was found under the optimized catalyst during the setup of 2 hours and further synergic effect was noticed between ultrasound and ultraviolet irradiation in the presence of TiO2. Combined effect of ultrasonic and photocatalytic treatment shown synergic result rather than individual treatment of ultrasound and irradiations with optimized parameters. The complete degradation of recalcitrant organic pollutants increase the chances for the reuse of waste water. Because secondary waste materials are not generated, there is no need to dispose of materials.

Keywords: Pesticides, photocatalysis, sonophotocatalysis, advanced oxidation, synergic effect